1037587661 has 16 divisors (see below), whose sum is σ = 1198775808. Its totient is φ = 888769200.

The previous prime is 1037587643. The next prime is 1037587679. The reversal of 1037587661 is 1667857301.

It is an interprime number because it is at equal distance from previous prime (1037587643) and next prime (1037587679).

It is a de Polignac number, because none of the positive numbers 2^k-1037587661 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1037587631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13655 + ... + 47556.

It is an arithmetic number, because the mean of its divisors is an integer number (74923488).

Almost surely, 2^1037587661 is an apocalyptic number.

1037587661 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1037587661 is a deficient number, since it is larger than the sum of its proper divisors (161188147).

1037587661 is a wasteful number, since it uses less digits than its factorization.

1037587661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61312.

The product of its (nonzero) digits is 211680, while the sum is 44.

The square root of 1037587661 is about 32211.6075506951. The cubic root of 1037587661 is about 1012.3754371175.

The spelling of 1037587661 in words is "one billion, thirty-seven million, five hundred eighty-seven thousand, six hundred sixty-one".